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NI (National Instruments) NI-9402 LVTTL, 4 Bidirectional Channels, 55 ns C Series Digital Module
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NI (National Instruments) · C Series

NI-9402

The NI-9402 is a C Series digital I/O module with 4 configurable bidirectional channels, 3.3 V TTL logic, and BNC front connections.

ManufacturerNI (National Instruments)
ModelNI-9402
Part Number779987-01
Product TypeLVTTL, 4 Bidirectional Channels, 55 ns C Series Digital Module
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30-Day Returnspolicy applies
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Supported Hardware PlatformC Series
Bidirectional Digital Channels4
Current Flow DirectionSinking Input, Sourcing Output
Digital I/O Logic Levels3.3 V TTL
Digital I/O IsolationNone
Front Connection TypeBNC
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Overview

Product overview

Key product information and technical features.

The NI-9402 provides per-channel configurable digital inputs or outputs in the C Series module format. Its four bidirectional channels use 3.3 V TTL logic and single-ended signaling.

BNC front connections provide access to the digital signals. The module has an enclosed design; controller, chassis, and software support should be checked for the intended system before integration.

  • Four bidirectional digital channels configurable for input or output.
  • 3.3 V TTL digital I/O with single-ended signaling.
  • BNC front connections.
  • Sinking inputs and sourcing outputs.
  • Enclosed C Series module design.
  • Operating temperature range of -40 °C to 70 °C.
Verified specifications

Technical data

Verified product specifications.

Supported Hardware PlatformC Series
Number of Bidirectional Digital Channels4
Conformal CoatedNo
Current Flow DirectionSinking Input, Sourcing Output
EnclosedYes
Digital I/O Logic Levels3.3 V TTL
Digital I/O IsolationNone
Front Connection TypeBNC
Maximum Digital Update Rate25 ns
Operating Temperature Range-40 °C to 70 °C
Bus ConnectionC Series
Maximum Clock Rate20 MHz
Signaling TypeSingle-Ended
NI part numbers779987-01
Condition & included items

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NI

Manufacturer

C Series

Supported Hardware Platform

NI-9402

This product

Platform shown as listed by NI. Confirm controller, chassis and software fit for your system with NI before integration.
Manuals & software

Technical resources

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Getting Started (NI)Getting Started · ni.com
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Specifications (NI)Specifications · ni.com
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Dimensional Drawings (NI)Dimensional Drawings · ni.com
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Product Page (NI)Product Page · ni.com
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Shipping, warranty & returns

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Warranty
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Returns
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

How many digital channels does the NI-9402 have?

It has four bidirectional digital channels configurable for input or output, with no dedicated input-only or output-only channels.

What logic level does the NI-9402 use?

The module uses 3.3 V TTL digital I/O logic with single-ended signaling.

What front connections does the NI-9402 use?

The front connection type is BNC.

Which NI part number identifies this catalog record?

The supplied structured product identity lists NI part number 779987-01.

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